Manufactured by CHG Bearing, the 234428 is a precision Tapered Roller Thrust Bearings. Key dimensional parameters include a 140 mm bore diameter, a 210 mm outer diameter, and a mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

234428 - Tapered Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 234428 |
| Brand | CHG® |
| Construction | Angular Contact Thrust Ball Bearing |
| Type | Double-Direction Angular Contact Thrust Ball Bearing |
| Characteristics | |
| Load Direction | Axial — Double Direction |
| Limiting Speed — Grease (r/min) | 1800 r/min |
| Limiting Speed — Oil (r/min) | 2600 r/min |
| Dimensions | |
| Bore Diameter (d) | 140 mm |
| Outer Diameter (D) | 210 mm |
| Contact Angle α (°) | N/A ° |
| Chamfer Dimension r (min.) | 2.1 mm |
| Dimension A | N/A mm |
| Bearing Height T | 84 mm |
| Dimension d1 | N/A mm |
| Dimension D12 | N/A mm |
| Dimension C | 42 mm |
| Dimension B | 21 mm |
| Chamfer Dimension r1 (min.) | 0.6 mm |
| Performance | |
| Basic Dynamic Axial Load Rating Ca (kN) | 145 kN |
| Basic Static Axial Load Rating C0a (kN) | 525 kN |
| Material | |
| Mass (kg) | 8.75 kg |
234428 210 mm N/A mm 140 mm N/A mm Frequently Asked Questions about 234428 Tapered Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every production batch of CHG Bearing 234428 Tapered Roller Thrust Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
Yes, 100% of 234428 Tapered Roller Thrust Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
In its sealed configuration (Open Type), CHG Bearing pre-charges 234428 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
Beyond standard alloy steel, CHG Bearing can customize the 234428 Tapered Roller Thrust Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
